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2. List of AMD graphics processing units - Wikipedia

   en.wikipedia.org/wiki/List_of_AMD_graphics...

   10.4 DDR2 DDR3 64 92.0 No 20 No 10.1 3.3 1.0 ? Radeon HD 4550 September 30, 2008 PCIe 2.0 ×16 600 655 800 10.5 12.8 96.0 No 25 Radeon HD 4570 November 25, 2008 242 650 500 2.60 5.20 1024 8.00 DDR2 104.0 No Radeon HD 4580 November 20, 2011 RV635 PRO 378 135 796 693 120:8:4 3.18 6.37 512 22.2 GDDR3 128 191.0 No 65 Radeon HD 4650 September 10, 2008